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    Top-selling low-level CO detectors

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    Defender CA6150 carbon monoxide alarmBest seller DefenderCA6150 CO AlarmUL 2034 listed, 10-year sealed batteryShop now › Defender LL6270 low-level CO monitor DefenderLL6270 Low-Level CO MonitorDisplays CO from 5 ppmShop now › Defender CA6150 and LL6270 CO alarm and monitor kit DefenderCA6150 + LL6270 KitListed alarm plus 5 ppm monitorShop now › CO Experts 2016-10 low-level CO monitor CO ExpertsHome Safety PRO-10Low-level monitor, alarms at 10 ppmShop now › Sensorcon Inspector portable CO detector SensorconInspector CO DetectorPortable CO detector and meterShop now › Sensorcon AV8 Inspector aviation CO monitor SensorconAV8 InspectorPortable CO monitor for aircraftShop now › Senko SGT-CO single-gas CO detector SenkoSGT-CO Single-Gas DetectorPersonal CO detector, clip-onShop now ›
    Free 2-Day Delivery on Non-Destructive Moisture Meters - Delmhorst, Protimeter and Tramex

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    Tramex ME5 pinless moisture meterBest seller TramexME5 Moisture EncounterPinless, dual depth, 5 material scalesShop now › Tramex MEX5 digital pinless moisture meter TramexMEX5 Digital Moisture EncounterDual depth, built-in hygrometer and IRShop now › Protimeter SurveyMaster dual-function moisture meter ProtimeterSurveyMasterPin and pinless in one meterShop now › Tramex CME5 concrete moisture meter TramexCME5 Concrete Moisture EncounterConcrete and gypsum screed %MCShop now › Tramex Skipper 5 marine moisture meter TramexSkipper 5 Marine MeterHardwood and fiberglass hullsShop now › Tramex CMEX5 digital concrete moisture meter TramexCMEX5 Concrete Moisture EncounterDigital concrete meter with ambient RHShop now › Protimeter MMS3 moisture measurement system ProtimeterMMS3 Measurement SystemPin, pinless, hygrometer and IR in oneShop now › Tramex Roof and Wall Scanner TramexRoof and Wall ScannerRoofing, EIFS and foam insulationShop now ›
    FLIR Ex Pro Series Thermal Cameras - Reveal Hidden Building Problems - From $1,349 - Free Shipping
    EDTM Accurate Glass Testing for Professionals
    Sensorcon Inspector CO Detector - Industrial Grade Protection - From $154 - Free 2-Day Delivery - Made in USA - Volume Discounts
    SENKO Gas Detectors - Uninterrupted Protection for 24 Months
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      Protimeter MMS3 BLD9800 Protimeter MMS3 BLD9800
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      Protimeter

      Protimeter MMS3 BLD9800

      MSRP:
      Was: $1,358.00
      Now: $1,289.93
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    • Tramex CONCRETE ENCOUNTER  X5 - CMEX5 Tramex CONCRETE ENCOUNTER  X5 - CMEX5
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      Tramex

      Tramex CONCRETE ENCOUNTER X5 - CMEX5

      MSRP:
      Now: $1,025.00
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    • Tramex Roof Wall Scanner - RWS Tramex Roof Wall Scanner - RWS
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      Tramex

      Tramex Roof Wall Scanner - RWS

      MSRP:
      Now: $2,039.00
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    • Tramex ME5 Moisture Encounter 5 Pinless Moisture Meter Tramex ME5 Moisture Encounter 5 Pinless Moisture Meter
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      Tramex

      Tramex ME5 Moisture Encounter 5 Pinless Moisture Meter

      MSRP:
      Now: $630.00
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    • SALE
      Protimeter Thermal Survey Kit (Thermal Imaging + Pin and Non-Invasive) - BLD7714-TI Protimeter Thermal Survey Kit (Thermal Imaging + Pin and Non-Invasive) - BLD7714-TI
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      Protimeter

      Protimeter Thermal Survey Kit (Thermal Imaging + Pin and Non-Invasive) - BLD7714-TI

      MSRP:
      Was: $1,615.00
      Now: $1,494.99
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    • SALE
      Protimeter ReachMaster Pro Non-Destructive Moisture Meter - BLD5777 Protimeter ReachMaster Pro Non-Destructive Moisture Meter - BLD5777
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      Protimeter

      Protimeter ReachMaster Pro Non-Destructive Moisture Meter - BLD5777

      MSRP:
      Was: $718.00
      Now: $652.99
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    • Delmhorst BDX30 Pin-Type Moisture Meter - BDX-30W/CS Delmhorst BDX30 Pin-Type Moisture Meter - BDX-30W/CS
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      Delmhorst

      Delmhorst BDX30 Pin-Type Moisture Meter - BDX-30W/CS

      MSRP:
      Now: $555.00
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    • Delmhorst BDX20 Pin-Type Moisture Meter - BDX-20W/CS Delmhorst BDX20 Pin-Type Moisture Meter - BDX-20W/CS
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      Delmhorst

      Delmhorst BDX20 Pin-Type Moisture Meter - BDX-20W/CS

      MSRP:
      Now: $450.00
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    • Sensorcon Inspector Carbon Monoxide Detector & CO Meter - INS-CO-01 Sensorcon Inspector Carbon Monoxide Detector & CO Meter - INS-CO-01
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      Sensorcon

      Sensorcon Inspector Carbon Monoxide Detector & CO Meter - INS-CO-01

      MSRP:
      Now: $154.00
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    • Sensorcon AV8 Inspector Pro Carbon Monoxide Monitor for Aviation - AV8-CO-03 Sensorcon AV8 Inspector Pro Carbon Monoxide Monitor for Aviation - AV8-CO-03
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      Sensorcon

      Sensorcon AV8 Inspector Pro Carbon Monoxide Monitor for Aviation - AV8-CO-03

      MSRP:
      Now: $194.00
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    • Sensorcon AV8 Inspector CO Detector for Aviation - AV8-CO-01 Sensorcon AV8 Inspector CO Detector for Aviation - AV8-CO-01
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      Sensorcon

      Sensorcon AV8 Inspector CO Detector for Aviation - AV8-CO-01

      MSRP:
      Now: $164.00
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    • Sensorcon Inspector 2 (Standard) Carbon Monoxide Detector & CO Meter - INS2-CO-01
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      Sensorcon

      Sensorcon Inspector 2 (Standard) Carbon Monoxide Detector & CO Meter - INS2-CO-01

      MSRP:
      Now: $164.00
      Add to Cart
    • Sensorcon Inspector Industrial Pro (CO) Carbon Monoxide Detector Meter - INS-CO-IND-PRO Sensorcon Inspector Industrial Pro (CO) Carbon Monoxide Detector Meter - INS-CO-IND-PRO
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      Sensorcon

      Sensorcon Inspector Industrial Pro (CO) Carbon Monoxide Detector Meter - INS-CO-IND-PRO

      MSRP:
      Now: $194.00
      Add to Cart
    • Onset HOBO MX  Bluetooth Temp/RH Logger - MX1101 Onset HOBO MX  Bluetooth Temp/RH Logger - MX1101
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      Onset

      Onset HOBO MX Bluetooth Temp/RH Logger - MX1101

      MSRP:
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      Add to Cart
    • Sensit Gold G2 Gas Detection Instrument EX (LEL) 911-00000-01
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      Sensit

      Sensit Gold G2 Gas Detection Instrument EX (LEL) 911-00000-01

      MSRP:
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    • Defender CA6150 10-Year Carbon Monoxide Alarm Defender CA6150 10-Year Carbon Monoxide Alarm
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      Defender

      Defender CA6150 10-Year Carbon Monoxide Alarm

      MSRP:
      Now: $99.95
      Add to Cart
    • Defender LL6270 low-level carbon monoxide monitor - front view Defender LL6270 digital display showing a 5 ppm CO reading
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      Defender

      Defender LL6270 Low-Level Carbon Monoxide Monitor

      MSRP:
      Now: $199.95
      Add to Cart
    • Sensorcon Inspector Carbon Monoxide Detector & CO Meter - INS-CO-01 Sensorcon Inspector Carbon Monoxide Detector & CO Meter - INS-CO-01
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      Sensorcon

      Sensorcon Inspector Carbon Monoxide Detector & CO Meter - INS-CO-01

      MSRP:
      Now: $154.00
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    • REGIN S220 Smoke Pen REGIN S220 Smoke Pen
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      Regin

      REGIN S220 Smoke Pen

      MSRP:
      Now: $46.00
      Add to Cart
    • Sensorcon Inspector Industrial Pro (CO) Carbon Monoxide Detector Meter - INS-CO-IND-PRO Sensorcon Inspector Industrial Pro (CO) Carbon Monoxide Detector Meter - INS-CO-IND-PRO
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      Sensorcon

      Sensorcon Inspector Industrial Pro (CO) Carbon Monoxide Detector Meter - INS-CO-IND-PRO

      MSRP:
      Now: $194.00
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    • REGIN S221 Smoke Pen Refills
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      Regin

      REGIN S221 Smoke Pen Refills

      MSRP:
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    • EDTM Etekt+ Low-E Coating Detector
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      EDTM

      EDTM Etekt+ Low-E Coating Detector

      MSRP:
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    • Protimeter Needle Nuts (ferrule) 2 Pack - BLD0501
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      Protimeter

      Protimeter Needle Nuts (ferrule) 2 Pack - BLD0501

      MSRP:
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    • SALE
      CO Experts Low Level Carbon Monoxide Monitor front view
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      CO Experts

      CO Experts Home Safety PRO-10 Low-Level Carbon Monoxide Monitor - 2016-10

      MSRP:
      Was: $199.00
      Now: $189.95
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    • Tramex Hygro-i Hole Liners - (100 Pack) RHHL100 Tramex Hygro-i Hole Liners - (100 Pack) RHHL100
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      Tramex

      Tramex Hygro-i Hole Liners - (100 Pack) RHHL100

      MSRP:
      Now: $250.00
      Add to Cart
    • Sensorcon Inspector: Intrinsically Safe Carbon Monoxide Detector & CO Meter - IND-02 Sensorcon Inspector: Intrinsically Safe Carbon Monoxide Detector & CO Meter - IND-02
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      Sensorcon

      Sensorcon Inspector: Intrinsically Safe Carbon Monoxide Detector & CO Meter - IND-02

      MSRP: $174.00
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    • EDTM Laser Glass Thickness Gauge - MG1500 EDTM Laser Glass Thickness Gauge - MG1500
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      EDTM

      EDTM Laser Glass Thickness Gauge - MG1500

      MSRP:
      Now: $325.00
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    • Pin Cap for New Surveymaster (BLD5365) / Digital Mini (BLD5702) - BLD5365-WMECAP
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      Protimeter

      Pin Cap for New Surveymaster (BLD5365) / Digital Mini (BLD5702) - BLD5365-WMECAP

      MSRP:
      Now: $11.00
      Add to Cart
    • Onset HOBO MX  Bluetooth Temp/RH Logger - MX1101 Onset HOBO MX  Bluetooth Temp/RH Logger - MX1101
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      Onset

      Onset HOBO MX Bluetooth Temp/RH Logger - MX1101

      MSRP:
      Now: $159.00
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    • SALE
      Defender CA6150 and LL6270 Low-Level Carbon Monoxide Kit Defender Mounting Plate 1
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      Defender

      Defender CA6150 + LL6270 Carbon Monoxide Alarm and Low-Level Monitor Kit

      MSRP:
      Was: $299.90
      Now: $278.60
      Add to Cart
    • Extech PRC15 Current and Voltage Calibrator (NIST Certified) - PRC15-NIST
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      Extech

      Extech PRC15 Current and Voltage Calibrator (NIST Certified) - PRC15-NIST

      MSRP:
      Now: $754.00
      Add to Cart
    • FLIR ONE Pro for iPhone (iOS USB-C Connector) Thermal Camera w/MSX 160 x 120 - 435-0008-03
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      FLIR

      FLIR ONE Pro for iPhone (iOS USB-C Connector) Thermal Camera w/MSX 160 x 120 - 435-0008-03

      MSRP:
      Now: $429.00
      Add to Cart
    • FLIR K85-N Firefighting Thermal Camera Kit 640x480 - 18703-0301 FLIR K85-N Firefighting Thermal Camera Kit 640x480 - 18703-0301
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      FLIR

      FLIR K85-N Firefighting Thermal Camera Kit 640x480 - 18703-0301

      MSRP:
      Now: $6,599.00
      Add to Cart
    • FLIR Si2-LD Acoustic Imaging Camera (No Wi-Fi or GPS) - T912635 FLIR Si2-LD Acoustic Imaging Camera (No Wi-Fi or GPS) - T912635
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      FLIR

      FLIR Si2-LD Acoustic Imaging Camera (No Wi-Fi or GPS) - T912635

      MSRP:
      Now: $19,849.00
      Add to Cart
    • FLIR Si2-Pro Acoustic Imaging Camera (No Wi-Fi or GPS) - T912636 FLIR Si2-Pro Acoustic Imaging Camera (No Wi-Fi or GPS) - T912636
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      FLIR

      FLIR Si2-Pro Acoustic Imaging Camera (No Wi-Fi or GPS) - T912636

      MSRP:
      Now: $27,590.00
      Add to Cart
    • FLIR VS80-KIT-7 Videoscope Kit with Dual HD Camera Probe 4.9 mm x 3 m - VS80-KIT-7
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      FLIR

      FLIR VS80-KIT-7 Videoscope Kit with Dual HD Camera Probe 4.9 mm x 3 m - VS80-KIT-7

      MSRP:
      Now: $4,550.00
      Add to Cart
    • FLIR VS80-KIT-8 Videoscope Kit with 4-Way Articulating 3.9 mm x 2 m Camera Probe - VS80-KIT-8
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      FLIR

      FLIR VS80-KIT-8 Videoscope Kit with 4-Way Articulating 3.9 mm x 2 m Camera Probe - VS80-KIT-8

      MSRP:
      Now: $7,550.00
      Add to Cart
    • FLIR VS80-KIT-9 Videoscope Kit with 30 mm x 30 m Plumbing Spool Camera Probe - VS80-KIT-9
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      FLIR

      FLIR VS80-KIT-9 Videoscope Kit with 30 mm x 30 m Plumbing Spool Camera Probe - VS80-KIT-9

      MSRP:
      Now: $7,900.00
      Add to Cart
    • FLIR VS80-KIT-10 Videoscope Kit with 30 mm x 30 m Plumbing Spool and 512 Hz Locator - VS80-KIT-10
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      FLIR

      FLIR VS80-KIT-10 Videoscope Kit with 30 mm x 30 m Plumbing Spool and 512 Hz Locator - VS80-KIT-10

      MSRP:
      Now: $10,000.00
      Add to Cart
    • FLIR TG54-2 20:1 Spot IR Thermometer with NIST Calibration - TG54-2-NIST FLIR TG54-2 20:1 Spot IR Thermometer with NIST Calibration - TG54-2-NIST
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      FLIR

      FLIR TG54-2 20:1 Spot IR Thermometer with NIST Calibration - TG54-2-NIST

      MSRP:
      Now: $404.00
      Add to Cart
    • FLIR TG56-2 30:1 Spot IR Thermometer with Type K Thermocouple and NIST Calibration - TG56-2-NIST
      Quick view

      FLIR

      FLIR TG56-2 30:1 Spot IR Thermometer with Type K Thermocouple and NIST Calibration - TG56-2-NIST

      MSRP:
      Now: $480.00
      Add to Cart
    • FLIR IM75-2 Insulation Tester and DMM Combo with METERLiNK and NIST Calibration - IM75-2-NIST
      Quick view

      FLIR

      FLIR IM75-2 Insulation Tester and DMM Combo with METERLiNK and NIST Calibration - IM75-2-NIST

      MSRP:
      Now: $980.00
      Add to Cart
    • FLIR DM286 Industrial Thermal Imaging Multimeter with IGM and NIST Calibration - DM286-NIST
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      FLIR

      FLIR DM286 Industrial Thermal Imaging Multimeter with IGM and NIST Calibration - DM286-NIST

      MSRP:
      Now: $1,400.00
      Add to Cart
    • FLIR DM93-2 True RMS Industrial Multimeter with NIST Calibration - DM93-2-NIST
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      FLIR

      FLIR DM93-2 True RMS Industrial Multimeter with NIST Calibration - DM93-2-NIST

      MSRP:
      Now: $649.00
      Add to Cart
    • FLIR CM57-2 18 in Flexible Clamp Meter with NIST Calibration - CM57-2-NIST FLIR CM57-2 18 in Flexible Clamp Meter with NIST Calibration - CM57-2-NIST
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      FLIR

      FLIR CM57-2 18 in Flexible Clamp Meter with NIST Calibration - CM57-2-NIST

      MSRP:
      Now: $569.00
      Add to Cart

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